Siemens SIMATIC S7-200, Системное руководство, Страница: 734 / 866

Technical specifications
A.3 Digital inputs and outputs expansion modules (EMs)
S7-200 SMART
734
System Manual, V2.3, 07/2017, A5E03822230-AF
Table A- 84 Digital outputs
Model EM Digital
8 x Inputs/
Digital 8 x Outputs
(EM DT16)
EM Digital
8 x Inputs/
8 x Relay Outputs
(EM DR16)
EM Digital
16 x Inputs/ Digital
16 x Outputs
(EM DT32)
EM Digital
16 x Inputs/
16 x Relay Outputs
(EM DR32)
Number of outputs 8 8 16 16
Type Solid state-
MOSFET (sourcing)
Relay, dry contact Solid state-
MOSFET (sourcing)
Relay, dry contact
Voltage range 20.4 to 28.8 V DC 5 to 30 V DC or
5 to 250 V AC
20.4 to 28.8 V DC 5 to 30 V DC or
5 to 250 V AC
Logic 1 signal at max. current 20 V DC, min. -- 20 V DC, min. --
Logic 0 signal with 10 KΩ load 0.1 V DC, max. -- 0.1 V DC, max. --
Rated current per point (max.) 0.75 A 2 A 0.75 A 2 A
Rated current per common
(max.)
3 A 8 A 6 A 8 A
Lamp load 5 W 30 W DC/200 W AC 5 W 30 W DC/200 W AC
ON state contact resistance 0.6 Ω max. 0.2 Ω max. when
new
0.6 Ω max. 0.2 Ω max. when
new
Leakage current per point 10 μA max. -- 10 μA max. --
Surge current 8 A for 100 ms max. 7 A with contacts
closed
8 A for 100 ms max. 7 A with contacts
closed
Overload protection No No No No
Isolation (field side to logic) 500 V AC for 1
minute
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
500 V AC for 1
minute
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
Isolation resistance -- 100 M Ω min. when
new
-- 100 M Ω min. when
new
Isolation between open contacts -- 750 V AC for 1
minute
-- 750 V AC for 1 mi-
nute
Isolation groups 2 2 3 4
Inductive clamp voltage Minus 48 V -- Minus 48 V --
Switching delay 50 μs max., off to
on
200 μs max., o n to
off
10 ms max. 50 μs max., off to
on
200 μs max., on to
off
10 ms max.
Lifetime mechanical (no load) -- 10,000,000
open/close cycles
-- 10,000,000
open/close cycles
Lifetime contacts at rated load -- 100,000 open/close
cycles
-- 100,000 open/close
cycles
Output behavior in STOP Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Number of outputs on simulta-
neously
8 8 16 16
Cable length (max.), in meters Shielded: 500 m
Unshielded: 150 m Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m